CVE-2021-4034 PoC — polkit 缓冲区错误漏洞

Source

Associated Vulnerability

Title:polkit 缓冲区错误漏洞 (CVE-2021-4034)
Description:polkit是一个在类 Unix操作系统中控制系统范围权限的组件。通过定义和审核权限规则，实现不同优先级进程间的通讯。 polkit 的 pkexec application存在缓冲区错误漏洞，攻击者可利用该漏洞通过精心设计环境变量诱导pkexec执行任意代码。成功执行攻击后，如果目标计算机上没有权限的用户拥有管理权限，攻击可能会导致本地权限升级。

Description

CVE-2021-4034

Readme

# CVE-2021-4034-PwnKit
PwnKit PoC for Polkit pkexec CVE-2021-4034 

Based on the PoC by blasty  
[blasty-vs-pkexec.c](https://haxx.in/files/blasty-vs-pkexec.c)

For PwnKit details see the blog poet at Qualys
[PwnKit: Local Privilege Escalation Vulnerability Discovered in polkit’s pkexec (CVE-2021-4034)](https://blog.qualys.com/vulnerabilities-threat-research/2022/01/25/pwnkit-local-privilege-escalation-vulnerability-discovered-in-polkits-pkexec-cve-2021-4034)

File Snapshot


 [4.0K]  /data/pocs/b57744d21e4dcd7aca22c81743e6923dfa3609a5
├── [2.1K]  make_me_root.c
├── [  69]  make_me_root.sh
└── [ 466]  README.md

0 directories, 3 files

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